http://www.magnepull.com/index_003.htm
They are about $100 if you find a good price. Spendy, but still pretty awesome. I'm thinking about making one with parts from http://www.gaussboys.com/
They are about $100 if you find a good price. Spendy, but still pretty awesome. I'm thinking about making one with parts from http://www.gaussboys.com/